package com.tasty.controller.admin;


import com.tasty.dto.DishDTO;
import com.tasty.dto.DishPageQueryDTO;
import com.tasty.entity.Dish;
import com.tasty.entity.DishFlavor;
import com.tasty.result.PageResult;
import com.tasty.result.Result;
import com.tasty.service.DishService;
import com.tasty.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;



    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */

    @PostMapping
    @ApiOperation("新增菜品")
    @CacheEvict(cacheNames = "dishCache",key = "#dishDTO.categoryId")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);

        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        /*String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);*/


        return Result.success();
    }


    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        log.info("菜品分页查询：{}",dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result delete(@RequestParam List<Long> ids){

        log.info("菜品批量删除： {}",ids);

        /*//将所有缓存数据清理掉，以dish_开头的key
        cleanCache("dish_*");*/

        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
     * 根据id查询菜品数据
     * @param id
     * @return
     */

    @GetMapping("/{id}")
    @ApiOperation("根据菜品id查询菜品数据")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品数据：{}",id);

        DishVO dishVO =  dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);

    }

    /**
     * 修改菜品信息
     * @param dishDTO
     * @return
     */

    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息 ：{}",dishDTO);

        /*dishService.updateWithFlavor(dishDTO);
        //将所有缓存数据清理掉，以dish_开头的key
        cleanCache("dish_*");*/


        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 菜品起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result<String> startOrStop(@PathVariable Integer status, Long id){
        dishService.startOrStop(status,id);

        //将所有缓存数据清理掉，以dish_开头的key
        //cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 缓存清理方法
     * @param pattern
     */
    /*private void cleanCache(String pattern){

        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }*/
}
